Helpers
Trader Spawn Block
Prefab Editor Only:
Used to select the desired trader to spawn.
When it collapses
Falling, it leaves 
Scrap Metal Pile (75% of the time) where it lands.
Where to find (5 POIs)
Trader Bob, Trader Hugh, Trader Jen, Trader Joel, Trader Rekt.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.